package DeMo1;

public class KeyBoard implements IUSB{
    @Override
    public void openDevice() {
        System.out.println("打开键盘");
    }

    public void inPut() {
        System.out.println("用键盘输入");
    }
    @Override
    public void closeDevice() {
        System.out.println("关闭键盘");
    }
}
